/**
 * Reset base, tipografia y clases utilitarias del sistema.
 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 14px;
}

body {
  background-color: var(--bg-app);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Tipografia y numeros tabulares de software contable */
.num,
td strong,
.kpi-value,
.cart-total-amount,
input[type="number"] {
  font-variant-numeric: tabular-nums;
}

.code-mono {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-main);
}

/* Placa patente estilo Mercosur */
.plate-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--bg-surface);
  color: var(--text-main);
  border: 1px solid var(--border-strong);
  border-top: 3px solid var(--primary);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  display: inline-block;
  letter-spacing: 0.04em;
}

/* Accesibilidad y foco de teclado visible */
:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

/* Ocultamiento semantico y utilidades */
.hidden,
.is-hidden,
[hidden] {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-muted {
  color: var(--text-muted);
}

.text-secondary {
  color: var(--text-secondary);
}

.text-danger {
  color: var(--danger);
}

.text-success {
  color: var(--success-strong);
}

.text-warning {
  color: var(--warning-strong);
}

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.25rem 0;
}

/* Desactivacion de movimiento para operadores con preferencia reducida */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Modo de colores forzados del sistema operativo */
@media (forced-colors: active) {
  :focus-visible {
    outline: 3px solid Highlight;
    outline-offset: 2px;
  }
}